const name = 'Monaco'
const path = require('path')

function resolve(dir) {
    return path.join(__dirname, dir)
}
const ipAddress = process.env.VUE_APP_API_BASE_URL
module.exports = {
    // 输出路径
    publicPath: '/',
    outputDir: 'index',
    assetsDir: '',

    devServer: {
        https: false,
        proxy: {
            '/api': {
                target: ipAddress, // 对应自己的接口
                changeOrigin: true,
                ws: false,
                pathRewrite: {
                    '^/api': ''
                }
            }
        },
        overlay: {
            warnings: false,
            errors: true
        }
    },
    // svg
    configureWebpack: {
        name: name,
        resolve: {
            alias: {
                '@': resolve('src')
            }
        }
    },

    chainWebpack(config) {
        config.plugins.delete('preload')// TODO: need test
        config.plugins.delete('prefetch') // TODO: need test

        // // set svg-sprite-loader
        // config.module
        //     .rule('svg')
        //     .exclude.add(resolve('src/assets/icons'))
        //     .end()
        // config.module
        //     .rule('icons')
        //     .test(/\.svg$/)
        //     .include.add(resolve('src/assets/icons'))
        //     .end()
        //     .use('svg-sprite-loader')
        //     .loader('svg-sprite-loader')
        //     .options({
        //         symbolId: 'icon-[name]'
        //     })
        //     .end()

        // set preserveWhitespace
        config.module
            .rule('vue')
            .use('vue-loader')
            .loader('vue-loader')
            .tap(options => {
                options.compilerOptions.preserveWhitespace = true
                return options
            })
            .end()

        config
            // https://webpack.js.org/configuration/devtool/#development
            .when(process.env.NODE_ENV === 'development',
                config => config.devtool('inline-source-map')
            )

        config
            .when(process.env.NODE_ENV !== 'development',
                config => {
                    config
                        .plugin('ScriptExtHtmlWebpackPlugin')
                        .after('html')
                        .use('script-ext-html-webpack-plugin', [{
                            // `runtime` must same as runtimeChunk name. default is `runtime`
                            inline: /runtime\..*\.js$/
                        }])
                        .end()
                    config
                        .optimization.splitChunks({
                            chunks: 'all',
                            cacheGroups: {
                                libs: {
                                    name: 'chunk-libs',
                                    test: /[\\/]node_modules[\\/]/,
                                    priority: 10,
                                    chunks: 'initial' // only package third parties that are initially dependent
                                },
                                elementUI: {
                                    name: 'chunk-elementUI', // split elementUI into a single package
                                    priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                                    test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                                },
                                commons: {
                                    name: 'chunk-commons',
                                    test: resolve('src/components'), // can customize your rules
                                    minChunks: 3, //  minimum common number
                                    priority: 5,
                                    reuseExistingChunk: true
                                }
                            }
                        })
                    config.optimization.runtimeChunk('single')
                }
            )
    }
}

